/*********
  工具样式
**********/
.center-block{
	display: block;
	margin-right:auto;
	margin-left: auto;
}

.pull-right{
	float: right !important;
}

.pull-left{
	float: left !important;
}

.text-right{
	text-align: right !important;	
}

.text-left{
	text-align: left !important;
}

.text-center{
	text-align: center !important;
}

.hide{
	display: none!important;
}

.show{
	display: block!important;
}

.active{
	color:green!important;
}
.clearfix::before,
.clearfix:after{
	content:"";
	display: table;
}

.clearfix:after{
	clear:both;
}

.browserupgrade{
	margin: 0;
	padding:1rem;
	background-color: #ccc;
}